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Brian McLogan
Graphing a quadratic equation using a table of values
π Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Let's Tute
Solving Pair of Linear Equations using Algebraic Method: Elimination Method
In this video, the teacher explains how to solve pairs of linear equations using algebraic methods, specifically the elimination method. They provide examples and explain how to decide whether to add or subtract the equations based on...
Brian McLogan
Introduction to learning the product rule to compare to the power rule
π Learn how to find the derivative of a function using the product rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the...
Brian McLogan
Write the rule of a geometric sequence given 2nd and 5th term
π Learn how to find the nth term of a geometric sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. A geometric sequence is a sequence in which...
Brian McLogan
How to find the solutions when solving a logarithmic equation
π Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Catalyst University
Quantum Mechanics | Particle-on-a-Ring: Energy and Momentum Calculations
In this video, I calculate the energy and momentum for an electron in a quantized system (a porphyrin). ***Using the particle-on-a-ring model.
Curated Video
Understanding Income Elasticity and Cross Elasticity of Demand
The video is an educational tutorial on the concepts of income elasticity of demand (YD) and cross elasticity of demand (XED). The presenter explains the calculations for each and how to classify goods based on their YD and XED values....
Brian McLogan
Solving a System of Equations by Elimination with Adding
πLearn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Brian McLogan
How to graph a quadratic equation in standard form
π Learn the basics to understanding graphing quadratics. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
Using Parallel Lines to Find your Variables X and Y
π Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry,...
Curated Video
Using the Commutative and Associative Properties to Solve Multiplication Problems
In this video, the teacher explains how to use the commutative and associative properties to transform multiplication expressions. They provide step-by-step examples using rational numbers, fractions, and decimals to demonstrate the...
Brian McLogan
Solving Exponential equations
π Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
Finding a rule from a table using addition and subtraction - Help on math
π How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the type of function. If the function is a linear...
Brian McLogan
Solve a trigonometric function with sine on both sides
π Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Brian McLogan
How to find the angle between two vectors and dot product
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Values b and c that make the piece wise function differentiable
π Learn how to determine the differentiability of a function. A function is said to be differentiable if the derivative exists at each point in its domain. To check the differentiability of a function, we first check that the function is...
Curated Video
Writing Exponential Equations from Data Tables
Learn how to write exponential equations by finding patterns in a table. They discuss the different components of an exponential equation, such as the common ratio and the constant change in x. The teacher provides examples and walks...
Brian McLogan
Gaph the system of three linear inequalities and determine the feasible region ex 15
In this video series you will learn how to graph a system of linear inequalities. When graphing a system of linear inequalities you will graph just like a system of linear equations except you will use test points to shade.
Brian McLogan
How to apply the remainder theorem by evaluating and synthetic division
π Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Brian McLogan
What is a factorial
π Learn all about factorials. Factorials are the multiplication of a number in descending integer values back to one. Factorials are used often in sequences, series, permutations, and combinations. Factorial quotient expressions are...
Brian McLogan
Finding the formula of alternating signs of a sequence
π Learn how to write the rule of a sequence given a sequence of numbers. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. To write the explicit formula of...
Brian McLogan
How to find the area of a triangle using heron's formula
Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
Brian McLogan
How to find the direction of the vector
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...